Web-based encyclopedias are nearly as plentiful as Web sites, but none are as complete as the Web version of the legendary Encyclopedia Britannica. First launched by three men of Scotland in 1763 as a series of pamphlets, britannica.com is the Web's best reference source.  There’s a small monthly fee.  Rating: 5  

This is the site where you can ask your own personal specialist about topics as far reaching as geology, astronomy, American history, etc. 
Rating: 4

This is the number one directory to reference Web sites. Should you need a medical dictionary, newspaper site, an address, etc., this is where you’ll find what you need. Rating: 5

What is DNA all about? How does a thermos work? From the simple to the complex, in clear, concise writing, this site really works. 
Rating: 5

Some one once said that if you don’t know history, you don’t know anything. For the multitude who desire to know more about history, this is the site for you. Rating: 5

An outstanding site with many extraordinary secondary sites that truly amaze. Rating: 5

If your interests lean more toward the historical, okay. If your interests favor the more contemporary, that’s okay too. This site has it all when it comes to profiles on well-known personages. Rating: 4

Want to learn about the masters, then this is your site? Rating: 4

Great site from a great newspaper. Rating: 5

Must see site. Rating: 4

A chance to explore the other side. Rating: 5

The godfather of news Web sites. Rating: 4

Rating System:
Poor 1 --- 5 Outstanding